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1bdaabc0c6
Relaxed check, only number of columns and the PK. Enough to avoid crashes, but doesn't break upgrades and migration from MySQL as in MDEV-37777. Added checks everywhere. (flush/create/alter/drop server) Check mysql.plugin table too.
106 lines
4.4 KiB
Text
106 lines
4.4 KiB
Text
set sql_mode="";
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#
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# MDEV-4594 - CREATE SERVER crashes embedded
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#
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(HOST 'localhost');
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SELECT * FROM mysql.servers;
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Server_name Host Db Username Password Port Socket Wrapper Owner
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s1 localhost 3306 mysql
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DROP SERVER s1;
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CREATE SERVER s1 FOREIGN DATA WRAPPER foo OPTIONS(USER 'bar');
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SELECT * FROM mysql.servers;
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Server_name Host Db Username Password Port Socket Wrapper Owner
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s1 bar 0 foo
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DROP SERVER s1;
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(USER 'bar');
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ERROR HY000: Can't create federated table. Foreign data src error: either HOST or SOCKET must be set
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(HOST 'bar');
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SELECT * FROM mysql.servers;
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Server_name Host Db Username Password Port Socket Wrapper Owner
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s1 bar 3306 mysql
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DROP SERVER s1;
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(SOCKET 'bar');
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SELECT * FROM mysql.servers;
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Server_name Host Db Username Password Port Socket Wrapper Owner
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s1 3306 bar mysql
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DROP SERVER s1;
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(SOCKET '/tmp/1234567890_1234567890_1234567890_1234567890_1234567890_1234567890.sock');
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SELECT Socket FROM mysql.servers where Server_name = 's1';
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Socket
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/tmp/1234567890_1234567890_1234567890_1234567890_1234567890_1234567890.sock
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DROP SERVER s1;
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#
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# MDEV-33783 CREATE SERVER segfaults on wrong mysql.servers
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#
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create server s1 foreign data wrapper foo options(user 'a');
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alter server s1 options(host 'server.example.org');
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rename table mysql.servers to mysql.servers_save;
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create table mysql.servers (x int);
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alter server s1 options(host 'server.example.org');
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ERROR HY000: Cannot load from mysql.servers. The table is probably corrupted
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drop server s1;
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ERROR HY000: Cannot load from mysql.servers. The table is probably corrupted
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create server s2 foreign data wrapper foo options(user 'a');
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ERROR HY000: Cannot load from mysql.servers. The table is probably corrupted
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drop table mysql.servers;
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rename table mysql.servers_save to mysql.servers;
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flush privileges;
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drop server s1;
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#
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# MDEV-35641 foreign server "disappears" after ALTERing the servers system table to use innodb and FLUSH PRIVILEGES
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#
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CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS (HOST '127.0.0.1');
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ALTER TABLE mysql.servers ENGINE=innodb;
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FLUSH PRIVILEGES;
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drop server s1;
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#
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# MDEV-35622 SEGV, ASAN use-after-poison when reading system table with less than expected number of columns
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# MDEV-37777 upgrade from MySQL 5.7 regression, mysql.servers invalid structure
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#
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# no crash:
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rename table mysql.servers to mysql.servers_save;
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create table mysql.servers like mysql.servers_save;
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alter table mysql.servers drop column owner;
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insert into mysql.servers values(0,0,0,0,0,0,0,0);
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flush privileges;
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ERROR HY000: Cannot load from mysql.servers. The table is probably corrupted
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drop table mysql.servers;
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# w/o PK
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create table mysql.servers like mysql.servers_save;
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alter table mysql.servers drop primary key;
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insert into mysql.servers values(0,0,0,0,0,0,0,0,0);
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flush privileges;
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ERROR HY000: Cannot load from mysql.servers. The table is probably corrupted
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drop table mysql.servers;
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# upgrade is ok
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create table mysql.servers like mysql.servers_save;
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alter table mysql.servers add column Options text;
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create server s1 foreign data wrapper mysql options (host '127.0.0.1');
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flush privileges;
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drop server s1;
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drop table mysql.servers;
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# MySQL 5.7 (MDEV-37777)
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create table mysql.servers like mysql.servers_save;
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alter table mysql.servers modify Host char(64) not null, modify Owner char(64) not null;
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create server s1 foreign data wrapper mysql options (host '127.0.0.1');
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flush privileges;
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drop server s1;
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drop table mysql.servers;
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rename table mysql.servers_save to mysql.servers;
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# plugin
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create table mysql.plugin_save like mysql.plugin;
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alter table mysql.plugin drop column dl;
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install soname "ha_example";
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ERROR HY000: Cannot load from mysql.plugin. The table is probably corrupted
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uninstall soname "ha_example";
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ERROR HY000: Cannot load from mysql.plugin. The table is probably corrupted
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drop table mysql.plugin;
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create table mysql.plugin like mysql.plugin_save;
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alter table mysql.plugin drop primary key;
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install soname "ha_example";
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ERROR HY000: Cannot load from mysql.plugin. The table is probably corrupted
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uninstall soname "ha_example";
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ERROR HY000: Cannot load from mysql.plugin. The table is probably corrupted
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drop table mysql.plugin;
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rename table mysql.plugin_save to mysql.plugin;
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# End of 10.11 tests
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